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seraphim [82]
3 years ago
7

The condition Marfan syndrome results from the production of abnormal elastin, the main protein component of elastic fibers. Pre

dict the potential consequences of defective elastic fibers. (Hint: Consider the organs and tissues in which elastic fibers are found). How would defective elastic fibers impair the functions of these organs and tissues?(
Biology
1 answer:
Marina86 [1]3 years ago
4 0

Answer:

Elastic fibers are made of elastin and microfibrils, that are elastic protein structures. The proteins can be stretched and resume normal shape. These fibers are found in parts of the body such as arteries, skin, lungs, connective tissue and heart that require some stretching. Marfan syndrome affects the elastic connective tissues causing symptoms like dilation of the aorta that doesn't resume normal lumen diameter (aortic aneurysm), and curving of the spine (scoliosis).

The lungs are unable to stretch and resume shape normally and this affects the respiratory system. The subjects will suffer from shortness of breath, wheezing and chest pain.

The sheath/endoneurium of neurons is connective tissue. This part of a neuron allows signals to travel effeciently along the axon of the neuron. This means that a person with Mafran syndrome has a slower response to stimuli that ordinary persons.

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Answer:

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Explanation:

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1. This is one structure essential in propagating young trees
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Answer:

1. B

2. A

3. C

4. A

5. A

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A nursery bed can be defined as a specially prepared temporary plot of land or garden which serves as a home for raising seedlings (young plants) prior to planting them in the main location (area). Thus, when older trees in the environment or surrounding dies or are cut-off, these younger plants (trees) propagated in the nursery bed are transferred to replace them.

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2. Location/Site: a place near a source of water should be chosen because water is essential for plant growth and coolness from extreme heat caused by the sun.

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